The DDC-3550-L is a LonWorks® central unit from the DDC3000 family. It combines tried and tested DDC functions with their simple parameter assignment feature and the flexibility of a field and service cabinet bus with the communication capabilities of LonWorks. The technolon® DDC3550-L has 12 DDC heating or ventilation control loops and a comprehensive library of DDC software menus, containing decades of experience. PLC functions, timer and time programs round off the scope of functions.
The number of applications for LonMark certification is growing rapidly. To make sure your products are on-track for certification, design conformance into them by following the LonMark Interoperability Guidelines v3.4.
The Proficiency Testing Program for Qualified Open Systems Installers, Professionals and Integrators provides a worldwide standard of proficiency for individuals that install, integrate and maintain systems utilizing LonMark certified products.